| 含缺陷三维编织复合材料热膨胀系数计算 |
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| 引用本文： | 梁军,杜善义,韩杰才,刘连元,万捷.含缺陷三维编织复合材料热膨胀系数计算[J].宇航学报,1998,19(1):90-93. |
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| 作者姓名： | 梁军 杜善义 韩杰才 刘连元 万捷 |
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| 作者单位： | 1. 哈尔滨工业大学复合材料研究所,哈尔滨,150001
2. 中国运载火箭技术研究院,北京,100076 |
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| 摘 要： | 通过将细观力学的Ｅｓｈｅｌｂｙ和Ｍｏｒｉ－Ｔａｎａｋａ理论与刚度平均化方法相结合，对含定向基体微裂纹的三维编织复合材料热膨胀系数进行了理论计算，分析了纤维体积含量，微裂纹密度和编织参数变化对热膨胀系数的影响，为材料设计和应用提供了理论基础。
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| 关 键 词： | 三维编织复合材料 热膨胀系数 细观力学 微裂纹 |
THERMAL EXPANSION COEFFICIENTS OF THREE-DIMENSIONAL WOVEN COMPOSITES WITH MATRIX MICROCRACKS |
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| iang Jun,Du Shanyi,Han Jiecai,Liu Lianyuan,Wan Jie.THERMAL EXPANSION COEFFICIENTS OF THREE-DIMENSIONAL WOVEN COMPOSITES WITH MATRIX MICROCRACKS[J].Journal of Astronautics,1998,19(1):90-93. |
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| Authors: | iang Jun Du Shanyi Han Jiecai Liu Lianyuan Wan Jie |
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| Abstract: | The thermal expansion coefficients of three dimensional woven composites containing matrix microcracks were predicted by Eshelby and Mori Tanaka theories combined with Stiffness Averaging Method,and their variation with fiber volume fraction,microcrack density and woven parameters was analyzed The developed method prorides theoretical basis for material designers and manufacturers to improve the material behavior |
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| Keywords: | Three Dimensional woven composite Thermal expansion coefficients Micromechanics Microcracks |
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